Publicação: A simplified procedure for determination of clofentezine residues in fruits by liquid chromatography with UV detection
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A rapid and sensitive method is described for the determination of clofentezine residues in apple, papaya, mango and orange. The procedure is based on the extraction of the sample with a hexane:ethyl acetate mixture (1:1, v/v) and liquid chromatographic analysis using UV detection. Mean recoveries from 4 replicates of fortified fruit samples ranged from 81% to 96%, with coefficients of variation from 8.9% to 12.5%. The detection and quantification limits of the method were of 0.05 and 0.1 mg kg-1, respectively.
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Clofentezine, Fruits, Pesticides
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Inglês
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Quimica Nova, v. 27, n. 5, p. 744-746, 2004.
